/*
 * Copyright (c) 2021 chwxu@outlook.com
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this list of
 *    conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
 *    of conditions and the following disclaimer in the documentation and/or other materials
 *    provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
 *    to endorse or promote products derived from this software without specific prior written
 *    permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

const MS_PER_DAY = 86400000;
const MS_PER_HOUR = 3600000;
const MS_PER_MIN = 60000;
const MS_PER_SEC = 1000;

export function elapsedTime(timedelta: number) {
  let day = Math.round(timedelta / MS_PER_DAY);
  let remainder = timedelta % MS_PER_DAY;

  let hour = Math.round(remainder / MS_PER_HOUR);
  remainder = remainder % MS_PER_HOUR;

  let minutes = Math.round(remainder / MS_PER_MIN);
  remainder = remainder % MS_PER_MIN;

  let second = Math.round(remainder / MS_PER_SEC);
  remainder = remainder % MS_PER_SEC;

  let milisecond = Math.round(remainder);

  // console.log(timedelta, day, hour, minutes, second, milisecond)
  if (second < 1) {
    return `${milisecond}ms`;
  } else if (minutes < 1) {
    return `${second}s`;
  } else if (hour < 1) {
    return `${minutes}min`;
  } else if (day < 1) {
    return `${hour}h`;
  } else {
    return `${day}d`;
  }
}
